The Music of the Spheres Japanese Wind Chime features an exotic complex scale arrangement. The rich deep tones are soothing and provocative. This scale compliments the more light-hearted Chinese and/or Balinese tuned chimes. Music of the Spheres chimes are all handcrafted and are tuned to A440 which is a standard orchestral pitch. They are made of a tempered aluminum ally tubing that will never rust. Each tube is coated with a sleek black corrosion protective finish that provides durability in all kinds of outdoor environments (acid rain salt air etc.). All components are made in the USA.Wind Chime Length: The length of a wind chime is measured by the overall length of the chime (not tube length)- hanging hook to the end of the sail. This wind chime is 13 inches overall. Wind Chime Sound: When listening to the audio above the first audio clip is the Soprano the second is the Mezzo-Soprano and the third is Alto chime sounds. More About Woodstock GongsWoodstock Gongs are ancient Asian-inspired instruments updated for today's setting. They are still made in the traditional manner with hand-hammering and secret finishing techniques to ensure every instrument has its own special voice. They all sound deeply resonant are emotionally relaxing and have a beautifully exotic look.